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Hot Water Recirculation
The Basic Concept
Every homeowner gets frustrated waiting for hot water -- but how many stop to think what happens to the 2-3 gallons of water that runs down the drain during the wait? We all do it, weather we are washing dishes or taking a shower. We turn on the water and let it run until the water begins to heat up. Each day the amount of water that we waste during this process can add up and increase your water bill.
 In a region like Arizona where water conservation issues are rising, along with a rapidly expanding population consumers and cities are looking for solutions to these issues. One such solution are Hot Water Recirculation systems like those manufactured by Grundfos Pumps Corporation.
Grundfos HWR pumps offer a solution to the problem by attaching to the
water heater through the hot water pipe. By constantly circulating hot
water through the pipes from the heater to the furthest fixture, the
water in the pipes is always hot, and no water is wasted during the
wait. Great when combined with a Tankless Water Heater.
- No return line required
- Installs in less than one hour
- No electricity needed under the sink
- Built-in timer & line cord
- Use less energy than a 25-watt light bulb
- Can save up to 16,000 gallons of water per year, per household
How it Works
A return line is installed near the faucet farthest from the water
heater. The return line is connected to the UP 15 series pump and flows
back to the water heater. As water slowly cools in the hot water line,
the UP 15 series recirculation pump then moves the hot water from the
heater throughout the pipe back to the heater, creating a continuous
loop of slow-moving warm water. When a faucet is turned on, warm water
is instantly available for use with no waste.
How much water will the pump save?
The average household wastes 27 - 105 gallons of water per day waiting for hot water. That adds to more than 12,000 – 38,000 gallons of water saved annually per installation, depending on the size of the water pipe and the frequency of use. There is also an indirect benefit to communities where HWR is in wide use because of reduced wear and tear on municipal wastewater treatment facilities.
Call Us to Learn More About These Systems.
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